JP7300560B2 - シリーズハイブリッド車両の駆動ユニット - Google Patents
シリーズハイブリッド車両の駆動ユニット Download PDFInfo
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- JP7300560B2 JP7300560B2 JP2022523734A JP2022523734A JP7300560B2 JP 7300560 B2 JP7300560 B2 JP 7300560B2 JP 2022523734 A JP2022523734 A JP 2022523734A JP 2022523734 A JP2022523734 A JP 2022523734A JP 7300560 B2 JP7300560 B2 JP 7300560B2
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
- H02K5/203—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium specially adapted for liquids, e.g. cooling jackets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
- B60K6/26—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the motors or the generators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/42—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
- B60K6/46—Series type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/10—Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines
- B60L50/16—Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines with provision for separate direct mechanical propulsion
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/30—Structural association with control circuits or drive circuits
- H02K11/33—Drive circuits, e.g. power electronics
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/006—Structural association of a motor or generator with the drive train of a motor vehicle
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/22—Arrangements for cooling or ventilating by solid heat conducting material embedded in, or arranged in contact with, the stator or rotor, e.g. heat bridges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K11/00—Arrangement in connection with cooling of propulsion units
- B60K11/02—Arrangement in connection with cooling of propulsion units with liquid cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K2001/003—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K2001/003—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units
- B60K2001/006—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units the electric motors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2200/00—Type of vehicle
- B60Y2200/90—Vehicles comprising electric prime movers
- B60Y2200/92—Hybrid vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2306/00—Other features of vehicle sub-units
- B60Y2306/05—Cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2400/00—Special features of vehicle units
- B60Y2400/60—Electric Machines, e.g. motors or generators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2400/00—Special features of vehicle units
- B60Y2400/61—Arrangements of controllers for electric machines, e.g. inverters
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/62—Hybrid vehicles
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Motor Or Generator Frames (AREA)
- Motor Or Generator Cooling System (AREA)
- Hybrid Electric Vehicles (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Description
図1は、本実施形態に係る駆動ユニット100の外観図である。駆動ユニット100はシリーズハイブリッド車両を駆動するためのものであり、後述するように駆動モータ15、発電モータ17、インバータ13、減速機構18及び増速機構19が一体化されている。また、駆動モータ15及び発電モータ17は水冷式であり、駆動ユニット100は水冷式の冷却システムを備える。冷却システムは、ラジエータ1、ウォータポンプ2、外部冷却通路3~6及び内部冷却通路からなる。内部冷却通路は、インバータ13に一体形成されたインバータ冷却通路42と、駆動モータ15を冷却する駆動モータ冷却通路(図示せず)と、発電モータ17を冷却する発電モータ冷却通路(図示せず)と、からなり、これらは駆動ユニット100の筐体内で接続されている。これら内部冷却通路については後で詳述する。
次に、インナーハウジング14、16について説明する。なお、第1インナーハウジング14と第2インナーハウジング16は同じ構造なので、特に区別する必要がない場合はインナーハウジングIHSGと称する。
駆動ユニット100内の冷却通路について図8から図12を参照して説明する。
本実施形態の駆動ユニット100における冷却液の流れについて図13~図16を参照して説明する。
位相の設定方法について図17から図20を参照して説明する。
次に、上述した本実施形態の構成による効果について説明する。
Claims (8)
- 駆動用の第1電動モータと、発電用の第2電動モータと、を含んで構成されるシリーズハイブリッド車両の駆動ユニットであって、
前記第1電動モータのステータの外周に設けられた円筒形状の第1インナーハウジングと、前記第2電動モータのステータの外周に設けられた円筒形状の第2インナーハウジングは、それぞれの外周面に前記ステータをらせん状に取り囲むように形成せれたらせん冷却通路を備え、
前記第1電動モータと前記第2電動モータとが、アウターハウジングにそれぞれのロータ軸が平行になるように収容され、
前記第1電動モータの前記らせん冷却通路と、前記第2電動モータの前記らせん冷却通路とが連結通路を介して直列に連結され、かつ、前記連結通路の一端が接続される上流側のらせん冷却通路の冷却液排出口と、前記連結通路の他端が接続される下流側のらせん冷却通路の冷却液導入口とが、ロータ軸方向で同一方向側の端部に配置されている、駆動ユニット。 - 請求項1に記載の駆動ユニットにおいて、
前記第1インナーハウジングと前記第2インナーハウジングは、前記アウターハウジング内にそれぞれの前記らせん冷却通路が異なる位相となるように収容される、駆動ユニット。 - 請求項1または2に記載の駆動ユニットにおいて、
前記上流側のらせん冷却通路の冷却液排出口と前記下流側のらせん冷却通路の冷却液導入口との間の距離が、前記下流側のらせん冷却通路の冷却液排出口と前記上流側のらせん冷却通路の冷却液導入口との間の距離より短い、駆動ユニット。 - 請求項1から3のいずれかに記載の駆動ユニットにおいて、
インバータが前記アウターハウジングの上部に配置され、
前記上流側のらせん冷却通路の冷却液排出口が上流側の電動モータのロータ軸より下方に配置され、
前記下流側のらせん冷却通路の冷却液導入口が下流側の電動モータのロータ軸より下方に配置される、駆動ユニット。 - 請求項1から4のいずれかに記載の駆動ユニットにおいて、
インバータが前記アウターハウジングの上部に配置され、
前記インバータの気密用シールの外部に前記インバータの冷却液排出口が設けられ、
前記インバータの冷却液排出口と前記上流側のらせん冷却通路の冷却液導入口とが接続されている、駆動ユニット。 - 請求項4または5に記載の駆動ユニットにおいて、
前記上流側のらせん冷却通路の冷却液導入口が、前記ロータ軸の軸方向から見た場合に、上流側の電動モータのロータ軸に対して下流側の電動モータから遠い側に配置されている、駆動ユニット。 - 請求項1から6のいずれかに記載の駆動ユニットにおいて、
前記アウターハウジングは、前記第1電動モータが収容される第1円筒部と前記第2電動モータが収容される第2円筒部とが隣り合う形状を有し、前記第1円筒部と前記第2円筒部の間の下方側の谷部には前記第1円筒部と前記第2円筒部とをつなぐリブを少なくとも一つ有し、
前記リブの一つは、前記リブの下端面から前記第1円筒部の内部まで貫通する第1貫通孔と、前記リブの下端面から前記第2円筒部の内部まで貫通する第2貫通孔と、前記リブの下端面に設けられた溝であって前記第1貫通孔と前記第2貫通孔とを接続する接続溝と、前記接続溝を塞ぐ蓋部材と、により構成される水路を有する、駆動ユニット。 - 請求項2に記載の駆動ユニットにおいて、
前記第1インナーハウジング及び前記第2インナーハウジングは、これらの外周部に周方向に等間隔で設けられた複数の締結部により前記アウターハウジングに固定され、
前記締結部の数が偶数の場合には、前記第1インナーハウジングと前記第2インナーハウジングとの位相差が、360度を各インナーハウジングの前記締結部の数で除した角度の倍数になっており、
前記締結部の数が奇数の場合には、前記第1インナーハウジングと前記第2インナーハウジングとの位相差が、360度を各インナーハウジングの前記締結部の数で除した角度の倍数に、当該角度の半分の角度を加えた角度になっている、駆動ユニット。
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/IB2020/000504 WO2021234425A1 (ja) | 2020-05-22 | 2020-05-22 | シリーズハイプリッド車両の駆動ユニット |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPWO2021234425A1 JPWO2021234425A1 (ja) | 2021-11-25 |
| JP7300560B2 true JP7300560B2 (ja) | 2023-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2022523734A Active JP7300560B2 (ja) | 2020-05-22 | 2020-05-22 | シリーズハイブリッド車両の駆動ユニット |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US12289029B2 (ja) |
| EP (1) | EP4156476B1 (ja) |
| JP (1) | JP7300560B2 (ja) |
| CN (1) | CN115666993B (ja) |
| BR (1) | BR112022023703A2 (ja) |
| MX (1) | MX2022014539A (ja) |
| WO (1) | WO2021234425A1 (ja) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2026087022A (ja) * | 2024-11-15 | 2026-05-27 | スズキ株式会社 | 車両用駆動装置 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003087908A (ja) | 2001-09-12 | 2003-03-20 | Toyota Motor Corp | 電気自動車のモータユニット |
| JP2004327283A (ja) | 2003-04-25 | 2004-11-18 | Nissan Motor Co Ltd | 燃料電池車両用モータの冷却システム |
| JP2020078215A (ja) | 2018-11-09 | 2020-05-21 | 本田技研工業株式会社 | 回転電機のステータユニット |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101569018B1 (ko) * | 2011-04-27 | 2015-11-16 | 엘지전자 주식회사 | 전동기 및 이를 구비한 전기차량 |
| JP5647946B2 (ja) | 2011-06-07 | 2015-01-07 | 本田技研工業株式会社 | 車両用駆動装置 |
| JP6084421B2 (ja) * | 2012-10-03 | 2017-02-22 | 株式会社Schaft | 水冷モータ構造および水冷用ハウジング |
| JP6314158B2 (ja) | 2013-12-27 | 2018-04-18 | 日立オートモティブシステムズ株式会社 | 回転電機 |
| JP2017047698A (ja) * | 2015-08-31 | 2017-03-09 | Ntn株式会社 | 電気自動車 |
| US10396631B2 (en) * | 2017-10-31 | 2019-08-27 | Nio Usa, Inc. | Dual inverter and electric motor split-flow cooling system |
-
2020
- 2020-05-22 JP JP2022523734A patent/JP7300560B2/ja active Active
- 2020-05-22 EP EP20936710.1A patent/EP4156476B1/en active Active
- 2020-05-22 WO PCT/IB2020/000504 patent/WO2021234425A1/ja not_active Ceased
- 2020-05-22 BR BR112022023703A patent/BR112022023703A2/pt unknown
- 2020-05-22 MX MX2022014539A patent/MX2022014539A/es unknown
- 2020-05-22 US US17/996,792 patent/US12289029B2/en active Active
- 2020-05-22 CN CN202080101242.3A patent/CN115666993B/zh active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003087908A (ja) | 2001-09-12 | 2003-03-20 | Toyota Motor Corp | 電気自動車のモータユニット |
| JP2004327283A (ja) | 2003-04-25 | 2004-11-18 | Nissan Motor Co Ltd | 燃料電池車両用モータの冷却システム |
| JP2020078215A (ja) | 2018-11-09 | 2020-05-21 | 本田技研工業株式会社 | 回転電機のステータユニット |
Also Published As
| Publication number | Publication date |
|---|---|
| MX2022014539A (es) | 2022-12-15 |
| EP4156476B1 (en) | 2025-05-14 |
| EP4156476A4 (en) | 2023-07-26 |
| EP4156476A1 (en) | 2023-03-29 |
| CN115666993B (zh) | 2024-02-13 |
| US12289029B2 (en) | 2025-04-29 |
| BR112022023703A2 (pt) | 2022-12-20 |
| JPWO2021234425A1 (ja) | 2021-11-25 |
| CN115666993A (zh) | 2023-01-31 |
| US20230155445A1 (en) | 2023-05-18 |
| WO2021234425A1 (ja) | 2021-11-25 |
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